Cheyenne, WY Weather & Growing Conditions
Today
71°F
Areas Of Smoke then Mostly Sunny
Areas of smoke before noon. Mostly sunny, with a high near 71. Southeast wind 10 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Areas Of Smoke then Mostly Sunny | 10 to 15 mph SE | 2% |
| Tonight | 49°F | Partly Cloudy | 10 to 15 mph SSE | 9% |
| Wednesday | 80°F | Sunny | 5 to 10 mph ENE | 5% |
| Wednesday Night | 52°F | Mostly Clear | 5 to 15 mph SSW | 1% |
| Thursday | 90°F | Sunny | 5 to 15 mph NW | 2% |
| Thursday Night | 56°F | Mostly Clear | 5 to 15 mph NW | 2% |
| Friday | 92°F | Sunny | 10 mph NNW | 0% |
| Friday Night | 60°F | Mostly Clear | 10 mph SSW | 0% |
| Saturday | 95°F | Sunny | 10 to 15 mph NW | 2% |
| Saturday Night | 60°F | Partly Cloudy | 5 to 10 mph WNW | 0% |
| Sunday | 93°F | Sunny | 10 mph WSW | 9% |
| Sunday Night | 62°F | Mostly Cloudy | 10 mph W | 5% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 10 mph NNW | 31% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 10 mph WSW | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cheyenne, WY
Last spring frost
May 14
First fall frost
Oct 1
Growing season
139 days
Hardiness zone
5b
Explore more for Cheyenne, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Cheyenne Wfo, Wy (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.